Digital library Introduction: A digital library is where the information is digitalised and stored in the form of electronic portal that provides access to all kind of database such as bibliographies‚ full-text resources‚ catalogues‚ search engines‚ internet resources‚ reference works‚ E-journals etc. Earlier its only paper based works only available in libraries. However‚ technologies have overcome the traditional techniques and ways of gathering information from libraries. . Now in present life
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The terms ‘Digital Native’ and ‘Digital Immigrant’ were coined by Marc Prensky in the essay he had written in 2001. Digital Natives were defined as students that were born into the digital age‚ their lives are immersed into technology and are the “‘native speakers’ of the digital language of computers‚ video games and the internet” (Prensky M‚ 2001‚ pp. 1). Digital Immigrants are individuals who were not born into the digital world but have come into contact with technology at one point in their
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* Merits and Demerits of Digital technology in still photography. Digital Technology: A digital system is a technology that uses discrete‚ discontinuous representations of information or works in a discontinuous manner. This is contrasted with continuous‚ or analog systems which behave in a continuous manner‚ or represent information using a continuous function. Although digital representations are discrete‚ the information represented can be either discrete‚ such as numbers and letters or continuous
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The real world isn’t either analog or digital‚ but both. Analog and digital signals are mathematical representations of reality and is useful when we want to process information. We can recognize whether or not something is analog or digital by wave forms. Digital signals often show square shapes and analog shows no obvious pattern but sometimes shows a recognizable shape like a sine wave. Because of this‚ we can sometimes form an opinion about the type of signal by recognizing wave forms. There
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“Digital identity has been referred to by many different terms including: online identity‚ online personality‚ digiSelf‚ virtual identity‚ avatar and online persona” (Koosel 149). These terms all bring up the same meaning; computer users create a new identity for themselves on the Internet. The reason for creating digital identities on the Internet is liberation‚ because Internet gives liberation to the users. Real identities can only create these digital identities only on the internet‚ because
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Principles and Theories of Digital Storytelling – ESGD714 Principles and Theories of Digital Storytelling Digital Stories are an effective vehicle for imparting knowledge to the reader in an engaging and inspiring method. In this essay‚ I will investigate and explain the Principles and Theory of Digital Storytelling‚ How Digital Storytelling can be used in the classroom and what possibilities for the future there are in education for Digital Storytelling. “Digital Storytelling is the practice
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A digital signature is an electronic signature that can be used to authenticate the identity of the sender of a message or the signer of a document. The basic idea behind digital signature is the same as handwritten signature. A digital signature doesn’t involve signing something with a pen and paper then sending to the receiver. But like a paper signature‚ it attaches the identity of the signer to a transaction. When transferring important documents it is often necessary to certify in a reliable
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In Marc Prensky’s “Digital Natives‚ Digital Migrants‚ Part II: Do They Really Think Differently?”‚ he discusses the implications of living in a more modern or‚ as the author says‚ a “digital” world. Prensky claims that today’s students respond to a different learning process as compared with the prior generations of students. He suggests that teachers invent educational‚ yet fun‚ games in the place of old teaching methods to make the learning process more efficient and entertaining. However‚ this
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million television sets are at risk of losing their signals on February 17‚ 2009‚ if consumers do not make the transition to DTV. Analog vs Digital Analog TV – AM vestigial sideband 6 MHz of bandwidth per channel plus the audio High power transmitters for coverage – 45 to 75KW Avg. Out ~300KW to 5MW ERP Noise and multi-path interference common Digital TV – 8VSB MPEG-2 Stream 6 Mhz Channel can produce multiple programs viewable with ATSC tuner
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Digital Television On November 1‚ 1998 computer companies‚ television makers‚ broadcasters‚ and program suppliers have made a transition from analog to digital television. When the FCC passed a law forcing the networks to change from an analog broadcast to a digital broadcast‚ all the above mentioned industries have been scrambling to get a jump on their competition. The picture and sound qualities of digital TV broadcasts are the best on Earth. However‚ at this moment cost remains a big
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